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Moderate

Pesticide Concentration

APES-YJX9G4

The following data was collected for fish in the Columbia River Basin in the northwestern United States. All of these species are commonly eaten by the local Native American population, therefore, concerns about human health impacts prompted the study.

Which of these species is MOST likely to be a top predator in its community?

910-R-02-006, Epa. (n.d.): n. pag. Department of Ecology, State of Washington. Web. 30 May 2016. http://www.ecy.wa.gov/programs/wq/ruledev/wac173201A/comments/0024cc.pdf.

A

Eulachon.

B

Steelhead.

C

Rainbow trout.

D

Walleye.

E

White sturgeon.